package com.wangzifan.service;

import com.wangzifan.entity.Course;
import com.wangzifan.entity.PageBean;

import java.util.List;

public interface CourseService {
    PageBean page(Integer page, Integer pageSize);

    Course queryCourseById(Integer id);

    void deleteCourse(List<Integer> ids);

    void addCourse(Course course);

    void updateCourse(Course course);
}
